BMW M4 Schirmer GT VLN vs 911 Porsche CUP Magny cours F1 / 1.46.7

Training at Magny cours with the 911 CUP during the Roscar. Best lap time with my Schirmer M4 GT VLN with Pirelli slick hard tires used 40%. Very cold day with 8° and no grip on the track.